Because it is a metal, and all metals melt if their temperature reaches a high enough level. In the case of lead, this melting point is 621oF (327oC), lower than many other metals. The melting is caused when the forces associated with the thermal motion of the free electrons exceed the electromagnetic forces holding the electrons and nuclei in a solid lattice structure. The relatively low electromagnetic forces in solid lead contribute to both its softness and its low melting point.
Lead melts at a low temp of only 158F - wrong Lead melts at a much higher temp of 621.43F. Otherwise old copper plumbing on boiler pipes would come apart. The old joints were soldered with mostly high percent lead. Water in boiler pipes can get as high as 180F to 200F.
Lead has the lowest melting point among gold, silver, copper, and lead. Lead melts at a relatively low temperature of 621.5°F (327.5°C), whereas gold melts at 1947.52°F (1064.18°C), silver at 1763.2°F (961.8°C), and copper at 1984°F (1085°C).
Pure lead melts at 327.5°C, but it is often alloyed with tin which melts at about 232°C. The melting point of a lead-tin alloy would be somewhere between these two values, depending on the proportions of each element in the alloy.
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Lead(II) sulfate melts at over a 10000C. I can't find a boiling point and I am not surprised- I would expect decomposition at such temperatures.
Lead melts at a temperature of 621.5 degrees Fahrenheit (327.5 degrees Celsius).
Ice melts faster than lead because ice has a lower melting point and is more susceptible to changes in temperature. Lead has a significantly higher melting point and requires much higher temperatures to melt.
Lead melts at a low temp of only 158F - wrong Lead melts at a much higher temp of 621.43F. Otherwise old copper plumbing on boiler pipes would come apart. The old joints were soldered with mostly high percent lead. Water in boiler pipes can get as high as 180F to 200F.
Lead melts more easily than salt or lime. Not the fruit.
Pure lead melts at 327.46 degrees C, or 621.43 degrees F. The melting points of lead alloys, however, can be higher or lower.
Lead has the lowest melting point among gold, silver, copper, and lead. Lead melts at a relatively low temperature of 621.5°F (327.5°C), whereas gold melts at 1947.52°F (1064.18°C), silver at 1763.2°F (961.8°C), and copper at 1984°F (1085°C).
Pure lead melts at 327.5°C, but it is often alloyed with tin which melts at about 232°C. The melting point of a lead-tin alloy would be somewhere between these two values, depending on the proportions of each element in the alloy.
Because it melts easily and is good in a solder mixture to hold wires together.
Three metals that would melt on Venus due to its extremely high surface temperature of about 870 degrees Fahrenheit (465 degrees Celsius) are lead, zinc, and aluminum. These metals have melting points below Venus's surface temperature.
Worked lead was dated back as far as 6400BC. Its discovery is not documented, but it melts at fairly low temperatures so it would be possible to work it at fireplace temperatures.
The term used to describe a nuclear reactor when it overheats and the core melts is "nuclear meltdown." This can lead to a breach of containment and release of radioactive materials into the environment.
=it melts==it melts==it melts=